船上由于人力复杂,结构复杂,发生火灾比陆地火灾难以扑救。
参考答案:对
用动词的正确形式填空。
1. — I'd like a sandwich and milk for lunch.
— Sorry, we ______ (not have) any.
2. They ______ (be) hungry. They go to a restaurant.
3. I ______ (have) lunch at school.
4. I ______ (be) thirsty. I want to drink.
5. It's hot here. Please ______ (open) the window.
6. — What's the matter?
— My ear ______ (hurt).
7. Jenny ______ (have) short, blond hair.
8. What colour ______ (be) your eyes?
9. Let's ______ (go) to the restaurant.
10. ______ (be) you ready to order?
国家卫生城市标准中,路灯亮化率大于98%。